Substance Use the information in the table to calculate AS, xn
for each of these reactions. Round all answers to
nearest whole number.
S (J/mol•K)
H2(g)
130.58
3H2(g) + N2(g) → 2NH3(g)
ASxn
JIK
N2(g)
191.50
NH3(g)
192.5
CHA(g) + 202(g) → CO2(g) + 2H2O(g)
ASxn = J/K
186.3
CH4(g)
O2(g)
205.0
2N2(g) + O2(g) → 2N20(9)
ASxn J/K
CO2(g)
213.6
DONE
H2O(g)
188.83
N2O(g)
220.0